Add option to not remove private downloads from the download client (#45)

code/Infrastructure/Verticals/DownloadClient/BlockFilesResult.cs

@@ -0,0 +1,14 @@
+namespace Infrastructure.Verticals.DownloadClient;
+
+public sealed record BlockFilesResult
+{
+    /// <summary>
+    /// True if the download should be removed; otherwise false.
+    /// </summary>
+    public bool ShouldRemove { get; set; }
+    
+    /// <summary>
+    /// True if the download is private; otherwise false.
+    /// </summary>
+    public bool IsPrivate { get; set; }
+}